Ever wondered how glow plugs help start a diesel engine? Discover the science behind glow plug operation, why they are essential for cold starts, and how NGK NTK glow plugs ensure reliable ignition and efficiency.Ever wondered how glow plugs help start a diesel engine? Discover the science behind glow plug operation, why they are essential for cold starts, and how NGK NTK glow plugs e... https://www.ngkntk.in/a-comprehensive-guide-to-how-a-glow-plug-works/